o4-mini — reviews, specs & pricing

A smaller, faster reasoning model from OpenAI.

Summary

o4-mini delivers strong reasoning performance at lower cost and latency than o3. It supports tool use and is optimized for math and coding. It's designed for high-volume reasoning tasks.

Sample use case

Used for coding agents and math tutoring where cost-efficient reasoning is needed. Good for high-throughput agentic applications.

Specifications

  • Provider: openai
  • License: closed
  • Context: 200k tokens
  • Input price: $1.1/M tok
  • Output price: $4.4/M tok
  • Released: 2025-04-16

Pros

  • Cost-efficient reasoning
  • Fast
  • Tool use support

Cons

  • Weaker than o3 on hardest tasks
  • Closed weights
  • Limited multimodality

Average rating 0.0 from 0 community reviews on Reviuws.

Frequently asked questions

What is o4-mini?

o4-mini delivers strong reasoning performance at lower cost and latency than o3. It supports tool use and is optimized for math and coding. It's designed for high-volume reasoning tasks.

How much does o4-mini cost?

o4-mini costs $1.1 per million input tokens and $4.4 per million output tokens.

Is o4-mini open source?

o4-mini is released under the closed license.